441871991379 has 24 divisors (see below), whose sum is σ = 785550208352. Its totient is φ = 233075335680.

The previous prime is 441871991359. The next prime is 441871991437. The reversal of 441871991379 is 973199178144.

441871991379 is a `hidden beast` number, since 441 + 8 + 71 + 9 + 91 + 37 + 9 = 666.

It is not a de Polignac number, because 441871991379 - 2¹³ = 441871983187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (441871991359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269762302 + ... + 269763939.

Almost surely, 2^441871991379 is an apocalyptic number.

441871991379 is a deficient number, since it is larger than the sum of its proper divisors (343678216973).

441871991379 is a wasteful number, since it uses less digits than its factorization.

441871991379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539526267 (or 539526264 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 63.

The spelling of 441871991379 in words is "four hundred forty-one billion, eight hundred seventy-one million, nine hundred ninety-one thousand, three hundred seventy-nine".